CN210597882U - Lattice type steel reinforced concrete combined column beam column node - Google Patents
Lattice type steel reinforced concrete combined column beam column node Download PDFInfo
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- CN210597882U CN210597882U CN201921448347.7U CN201921448347U CN210597882U CN 210597882 U CN210597882 U CN 210597882U CN 201921448347 U CN201921448347 U CN 201921448347U CN 210597882 U CN210597882 U CN 210597882U
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Abstract
A lattice type steel rib concrete combined column beam column node comprises a lattice type steel rib column with a steel corbel, a prestress superposed beam and node reinforced concrete, and is characterized in that the lattice type steel rib column comprises a lattice type steel rib frame and the steel corbel, the steel corbel consists of an upper horizontal pull rod, an inclined support rod and a lower horizontal press rod, the upper horizontal pull rod and the lower horizontal press rod are welded between adjacent limb columns, a laying rod is welded between adjacent upper horizontal pull rods, the end part of the prestress superposed beam is laid on the laying rod, steel strands exposed out of the prestress superposed beam extend into a core area of the node reinforced concrete, and the lattice type steel rib column with the steel corbel, the prestress superposed beam and the node reinforced concrete are integrally cast. The node solves the problem of shelving the upper beam when the multiple layers of the precast beams are hoisted simultaneously, increases the using amount of less steel and improves the compression resistance and the shear resistance of the node.
Description
Technical Field
The utility model relates to a build (structure) building field, especially relate to a solve prefabricated beam multilayer and hoist lattice formula reinforcing bar concrete combination column beam column node form of shelving the problem simultaneously.
Background
The prefabricated beam of the assembled large-span multi-storey building engineering is hoisted in a layered mode generally, the using cost of a crane is high, the construction progress is slow, the large-span prefabricated beam needs to be hoisted by a large-tonnage crane due to too large weight, and the construction of the prefabricated beam of the multi-storey building engineering can not be hoisted due to the fact that the large-tonnage crane cannot be used for working due to floor design bearing capacity, so that multiple layers need to be hoisted simultaneously, and the construction mode needs to solve the problem of laying of the upper beam in the construction stage. The beam column node of the lattice type steel reinforced concrete column has large bearing capacity and good mechanical property after pouring, and has no report.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome above-mentioned prior art not enough, provide a beam column node bracket bearing capacity is big, pour the lattice formula reinforcing bar concrete column beam column node that the back mechanical properties is good.
According to the utility model provides a pair of lattice formula reinforcing bar concrete combination column beam column node, lattice formula reinforcing bar post, prestressing force superposed beam and node reinforced concrete including belted steel bracket, lattice formula reinforcing bar post includes lattice formula reinforcing bar frame and steel bracket, the steel bracket comprises upper horizontal pull rod, diagonal brace and lower horizontal depression bar, upper horizontal pull rod with lower horizontal depression bar welds between adjacent limb post, and is adjacent weld between upper horizontal pull rod and has linked up and shelved the pole, prestressing force superposed beam tip is shelved on the pole is shelved to the steel bracket, prestressing force superposed beam exposes the steel strand wires and stretches into node reinforced concrete's nuclear core space, lattice formula reinforcing bar frame post, prestressing force superposed beam and the node reinforced concrete of belted steel bracket are integrated into one piece.
According to the utility model provides a pair of lattice formula reinforcing bar concrete combination column beam column node still has following attached technical characteristic:
the end part of the prestressed superposed beam is more than 150mm away from the limb column.
Part of the overhanging end part of the upper horizontal pull rod is welded with a heightening portal steel frame, the upper part of the heightening portal steel frame is provided with a horizontal pull piece connected with the lattice type steel frame, and part of the end part of the prestressed superposed beam is placed on the heightening portal steel frame.
The web members in the node reinforced concrete are connected in a post-connection mode, and the connection mode is welding or bolt connection.
The lattice steel skeleton penetrates into the node reinforced concrete for a certain length, the web members in the node reinforced concrete are connected in a post-connection mode, and the connection mode is welding or bolt connection.
Node reinforced concrete includes reinforcing bar and concrete, the reinforcing bar includes main muscle, stirrup and bracket reinforcing bar, the main muscle is followed lattice formula steel skeleton web member outside interval certain distance arranges.
The lattice type steel skeleton consists of steel pipe limb columns and web members positioned at four corners, and high-strength concrete is poured into the steel pipes.
According to the utility model provides a pair of lattice formula reinforcing bar concrete combination post beam column node compares with prior art has following advantage:
1. when the precast beam is placed by the steel bracket to hoist multiple layers simultaneously, the construction progress is fast, and the hoisting cost is low.
2. The steel corbels are used as precast beam supporting structures and are integrally cast with concrete to be used as compression-resistant and shear-resistant members, the amount of steel used is less, and the compression resistance and the shear resistance are improved.
3. After combination, the section of the node is enlarged, the design principle of 'strong node and weak member' is fully embodied, and the seismic performance of the node is improved.
4. The precast beam is separated from the limb column by more than 150mm, and the precast beam can be ensured to be bent and extend into a node core area when being used as a steel strand of a main rib.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the lattice type steel reinforced column of the present invention.
Fig. 3 is the joint reinforcing bar connection schematic diagram of the present invention.
Fig. 4 is a schematic view of the vertical structure of the present invention.
Fig. 5 is the utility model discloses the node is pour the back effect picture.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1 to 5, in the embodiment of the lattice type steel reinforced concrete composite column beam-column node provided by the present invention, comprises a lattice type steel reinforced column 1 with a steel bracket 11, a prestressed superposed beam 2 and node reinforced concrete 3, the lattice steel skeleton column 1 comprises a lattice steel skeleton 12 and a steel corbel 11, wherein the steel corbel 11 consists of an upper horizontal pull rod 111, an inclined stay rod 112 and a lower horizontal press rod 113, the upper horizontal pull rod 111 and the lower horizontal press rod 113 are welded between adjacent limbs, a rest rod 114 is welded between the adjacent upper horizontal pull rods 111, the end part of the main beam 2 of the prestressed composite beam is placed on the placing rod of the steel corbel 11, the steel strand 21 exposed out of the prestressed composite beam 2 extends into the core area of the node reinforced concrete 3, the lattice type steel skeleton column 1 with the steel corbel 11, the prestressed superposed beam 2 and the node reinforced concrete 3 are integrally cast. When the precast beam is placed by the steel corbels 11 to be hoisted simultaneously in multiple layers, the construction progress is fast, the hoisting cost is low, the precast beam can be used as a compression-resistant shear-resistant member after being integrally cast with concrete, and the steel strand of the prestressed composite beam 2 extends into the core area of the reinforced concrete 3 of the node, so that the integral performance of the beam-column node is improved.
Referring to fig. 1 and 2, in an embodiment of the lattice type steel reinforced concrete composite column beam-column node provided by the present invention, the end of the prestressed composite beam 2 is separated from the limb column by more than 150 mm. The distance ensures that the steel strands can be smoothly placed into the nodes when the precast beam is installed, and the construction efficiency is improved.
Referring to fig. 1 and 2, in the embodiment of the lattice type steel reinforced concrete combined column beam-column node provided by the present invention, part of the overhanging end portion of the upper horizontal pull rod 111 is welded with the heightening portal steel frame 115, the upper portion of the heightening portal steel frame 115 is provided with the horizontal tie member 116 to be connected with the lattice type steel frame 12, and part of the end portion of the prestressed composite beam 2 rests on the heightening portal steel frame 115. The height specifications of the primary beam and the secondary beam of the prestressed superposed beam 2 are different, so that the heightening portal steel frame 115 is arranged for adjusting the shelving height of the secondary beam, and the horizontal tie piece 115 is favorable for improving the stability of the heightening portal steel frame 115. Preferably, the upper horizontal pull rod 111 provided with the heightening gate type steel frame 115 is not provided with the rest rod 114.
Referring to fig. 1 to 4, in the embodiment of the lattice type steel reinforced concrete combined column beam-column node provided by the present invention, the web member 17 in the reinforced concrete 3 of the node is a post-connection, and the connection manner is welding or bolt connection. The post-connection mode is favorable for the hoisting construction of the prestressed composite beam 2, and the steel strand 21 can penetrate into the core area of the node reinforced concrete 3 conveniently.
Referring to fig. 3 to 5, in the embodiment of a lattice type steel reinforced concrete combined column beam column node provided by the present invention, the node reinforced concrete 3 includes steel bars 32 and concrete 31, the steel bars include main bars 321, stirrups 322 and bracket steel bars 323, and the main bars 321 are arranged along the outside of the lattice type steel frame 12 web members at intervals. The vertical main reinforcement 321 bears compression resistance and bending resistance, and the hoop reinforcement 322 and the bracket reinforcement 323 meet the shearing resistance requirement while restraining the concrete.
Referring to fig. 2, in the embodiment of the present invention, the lattice steel reinforced concrete combined column beam-column node is composed of four steel tube limbs 121 and web members 122, and the steel tube is filled with high strength concrete 123. The pouring of the high-strength concrete 123 further improves the strength and rigidity of the lattice steel framework 12, so that the requirement of hoisting bearing capacity can be met under the condition that no column concrete is poured.
In the present invention, all "a certain distance" means a length necessary to satisfy a design requirement, that is, a length necessary to be suitable for a connection and a strength requirement, and the length is clear to those skilled in the art and may be set as needed.
Claims (6)
1. A lattice type steel rib concrete combined column beam column node comprises a lattice type steel rib column with a steel bracket, a prestressed superposed beam and node reinforced concrete, and is characterized in that: the lattice type steel skeleton column comprises a lattice type steel skeleton and a steel corbel, wherein the steel corbel consists of an upper horizontal pull rod, an inclined support rod and a lower horizontal press rod, the upper horizontal pull rod and the lower horizontal press rod are welded between adjacent limb columns, a laying rod is welded between the adjacent upper horizontal pull rods, the end part of a prestressed superposed beam is laid on the laying rod, a steel strand exposed on the prestressed superposed beam extends into a core area of the node reinforced concrete, and the lattice type steel skeleton column, the prestressed superposed beam and the node reinforced concrete of the strip steel corbel are integrally cast.
2. The lattice steel reinforced concrete composite column-beam node of claim 1, wherein the end of the prestressed composite beam is more than 150mm away from the limb column.
3. The lattice type steel reinforced concrete combined column beam-column joint as claimed in claim 1, wherein a heightening portal steel frame is welded to the overhanging end of part of the upper horizontal pull rod, a horizontal tie member is arranged at the upper part of the heightening portal steel frame to be connected with the lattice type steel frame, and the end of part of the prestressed composite beam is placed on the heightening portal steel frame.
4. The lattice type steel reinforced concrete combined column-beam column joint as claimed in claim 1, wherein the web members in the reinforced concrete of the joint are connected in a post-connection manner by welding or bolts.
5. The lattice type steel reinforced concrete combined column beam-column joint as claimed in claim 1, wherein the reinforced concrete of the joint comprises steel bars and concrete, the steel bars comprise main bars, stirrups and bracket steel bars, and the main bars are arranged along the outer sides of the lattice type steel frame web members at intervals.
6. The lattice type steel reinforced concrete combined column-beam-column joint as claimed in claim 1, wherein said lattice type steel skeleton is composed of four corner steel tube limb columns and web members, and said steel tubes are filled with high strength concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921448347.7U CN210597882U (en) | 2019-09-03 | 2019-09-03 | Lattice type steel reinforced concrete combined column beam column node |
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| CN201921448347.7U CN210597882U (en) | 2019-09-03 | 2019-09-03 | Lattice type steel reinforced concrete combined column beam column node |
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| CN210597882U true CN210597882U (en) | 2020-05-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469054A (en) * | 2019-09-03 | 2019-11-19 | 宁波优造建筑科技有限公司 | A kind of lattice steel reinforced concrete coupled column bean column node |
| CN112922210A (en) * | 2021-01-27 | 2021-06-08 | 江苏海洋大学 | Connecting device for self-resetting anti-side frame and floor slab |
-
2019
- 2019-09-03 CN CN201921448347.7U patent/CN210597882U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469054A (en) * | 2019-09-03 | 2019-11-19 | 宁波优造建筑科技有限公司 | A kind of lattice steel reinforced concrete coupled column bean column node |
| CN112922210A (en) * | 2021-01-27 | 2021-06-08 | 江苏海洋大学 | Connecting device for self-resetting anti-side frame and floor slab |
| CN112922210B (en) * | 2021-01-27 | 2022-01-25 | 江苏海洋大学 | Connecting device for self-resetting anti-side frame and floor slab |
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